Home / 286,363.32-395,181.36-159,050.76

Finding the Fourth Proportional to 286,363.32, 395,181.36 and 159,050.76

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Solution

The fourth proportional to 286,363.32, 395,181.36 and 159,050.76 is: 219,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,363.32 : 395,181.36 = 159,050.76 : x
  2. Step 2: Convert to fraction form
    286,363.32/395,181.36 = 159,050.76/x
  3. Step 3: Cross multiply
    286,363.32x = 395,181.36 × 159,050.76
  4. Step 4: Simplify right side
    286,363.32x = 62,853,895,645.83
  5. Step 5: Solve for x
    x = 62,853,895,645.83/286,363.32
  6. Step 6: Final answer
    x = 219,490.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.